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- <div class="titlepage"><div><div><h3 class="title">
- <a name="boost_test.adv_scenarios.test_module_runner_overview"></a><a class="link" href="test_module_runner_overview.html" title="Test module runner">Test
- module runner</a>
- </h3></div></div></div>
- <p>
- A <span class="emphasis"><em>test module runner</em></span> is an <span class="emphasis"><em>orchestrator</em></span>
- or a <span class="emphasis"><em>driver</em></span> that, given the test tree, ensures the test
- tree is initialized, tests are executed and necessary reports generated.
- It performs the following operations:
- </p>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- initialize the test module using the supplied <a class="link" href="test_module_init_overview.html" title="Test module's initialization"><span class="emphasis"><em>initialization
- function</em></span></a>;
- </li>
- <li class="listitem">
- select output media for the test log and the test results report;
- </li>
- <li class="listitem">
- execute test cases as specified by run-time parameters;
- </li>
- <li class="listitem">
- produce the test results report;
- </li>
- <li class="listitem">
- generate the appropriate return code.
- </li>
- </ul></div>
- <p>
- The <span class="emphasis"><em>Unit Test Framework</em></span> comes with the default test
- runner. There is no need to call it explicitly. The default generated test
- module's <a class="link" href="entry_point_overview.html" title="Test module's entry point">entry
- point</a> invokes the default test runner. The default test runner is
- declared with the following signature:
- </p>
- <pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> <span class="keyword">namespace</span> <span class="identifier">unit_test</span> <span class="special">{</span>
- <span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="special">(*</span><span class="identifier">init_unit_test_func</span><span class="special">)();</span>
- <span class="keyword">int</span> <span class="identifier">unit_test_main</span><span class="special">(</span> <span class="identifier">init_unit_test_func</span> <span class="identifier">init_func</span><span class="special">,</span> <span class="keyword">int</span> <span class="identifier">argc</span><span class="special">,</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">argv</span><span class="special">[]</span> <span class="special">);</span>
- <span class="special">}</span> <span class="special">}</span>
- </pre>
- <p>
- The test runner may return one of the following values:
- </p>
- <div class="informaltable"><table class="table">
- <colgroup>
- <col>
- <col>
- </colgroup>
- <thead><tr>
- <th>
- <p>
- Value
- </p>
- </th>
- <th>
- <p>
- Meaning
- </p>
- </th>
- </tr></thead>
- <tbody>
- <tr>
- <td>
- <p>
- <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">exit_success</span></code>
- </p>
- </td>
- <td>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- No errors occurred during testing, or
- </li>
- <li class="listitem">
- the success result was forced with command-line argument <code class="computeroutput"><span class="special">--[</span><span class="identifier">link</span>
- <span class="identifier">boost_test</span><span class="special">.</span><span class="identifier">utf_reference</span><span class="special">.</span><span class="identifier">rt_param_reference</span><span class="special">.</span><span class="identifier">result_code</span> </code>result_code<code class="computeroutput"><span class="special">]=</span><span class="identifier">no</span></code>.
- </li>
- </ul></div>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">exit_test_failure</span></code>
- </p>
- </td>
- <td>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Non-fatal errors detected and no uncaught exceptions were thrown
- during testing, or
- </li>
- <li class="listitem">
- the initialization of the <span class="emphasis"><em>Unit Test Framework</em></span>
- failed.
- </li>
- </ul></div>
- </td>
- </tr>
- <tr>
- <td>
- <p>
- <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">exit_exception_failure</span></code>
- </p>
- </td>
- <td>
- <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
- <li class="listitem">
- Fatal errors were detected, or
- </li>
- <li class="listitem">
- uncaught exceptions thrown during testing.
- </li>
- </ul></div>
- </td>
- </tr>
- </tbody>
- </table></div>
- <p>
- An advanced test runner may provide additional features, including interactive
- GUI interfaces, test coverage and profiling support.
- </p>
- </div>
- <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
- <td align="left"></td>
- <td align="right"><div class="copyright-footer">Copyright © 2001-2019 Boost.Test
- contributors<p>
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
- </p>
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